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Electrical insulating board mark EV
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Electrical insulating board mark EV

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Characteristics

Electrical insulating board mark "EV" is used for general purposes of isolation and also for isolation of electrical equipment. It is used for the works in air with temperature to 90°C. It is produced in rolls. Size of rolls is agreed with buyer..

Rate for mark "EV":

  GOST 2824-86
Thickness, mm 0,1+0,02
-0,01
0,15±0,02
0,2±0,02
0,25±0,02
0,3+0,03
-0,02
0,4±0,03
0,5±0,05
Density,g/sm3, not less 1,15
Tensile strength, МPа (kgs/mm2), not less:
-in start position:
- in machine direction:
- in cross direction:
- after bending:
- in machine direction:
- in cross direction:
85 (8,5)
30 (3,0)


75 (7,5)
25 (2,5)
Electric strength, kW/mm, not less:
-in plain condition for board with thickness, mm:
0,1-0,25;
0,3-0,4;
0,5;
-in the lines of bending ( average in two directions) for board with thickness, mm:
0,1-0,25;
0,3-0,5;
11,0
11,0
10,0

8,0
8,0
Ash weight content, %, not more 1,0
Moisture, % 8±2

 

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